Solution Overview

1. NAGRA Multi-DRM Cloud Service

Nagravision provides a Multi-DRM cloud solution including a Content Key Server and Multi-DRM License Servers for PlayReady, Widevine, and FairPlay DRMs.

Operators who want to offer an OTT streaming service can use the NAGRA Multi-DRM Cloud Service to deliver OTT content securely to authorized subscribers.

1.1. External Interfaces

The NAGRA Multi-DRM Cloud Service offers the following interfaces:

1. Key Server interface. Allows an OTT content preparation head-end (OTT Packager) to retrieve content keys and DRM signaling.

2. Multi-DRM License Servers interface. Allows end-user open devices to retrieve content keys so they can play OTT content that is protected with a DRM license in a secure way.

1.1.1. Key Server Interface

The NAGRA Key Server interface allows the retrieval of content keys and DRM signalling for PlayReady, Widevine, and FairPlay DRMs.

See the Content Key Management Services for more details.

This interface is protected using Authentication Token (AuthN). See JWT Token Creation to find out how to generate tokens to use the NAGRA Multi-DRM interfaces.

1.1.2. Multi-DRM License Servers interface

The operator can control end-user content playback by issuing Content Authorization Token (ContentAuthZ) only to authorized end-users. See JWT Token Creation to find out how to generate tokens to use the NAGRA Multi-DRM interfaces.Then end-user client devices can use the token to request DRM licenses by calling the Multi-DRM License Servers Content License Mgt Service (CLM) for PurePlay MDRM.